System and method for automatically drawing out a rack in domestic appliances

ABSTRACT

The embodiments herein provide a system for drawing out the racks out of a chamber in a domestic appliance. The system comprises the hooks attached to the respective loop brackets or several steel rods provided with many screws. The hooks are attached to an inner surface of a door of a chamber in a domestic appliance through the brackets that are fixed to the steel rods by the screws or welded to the inner surface of the door. The steel rods are fixed to the door from inside. The hooks are automatically unlatched from the racks when the door is closed. The racks are unlatched due to a pop-up action of the hooks during the closing of the door. The hooks pop-up to the initial position. The hooks pop-up due to a body contact of the hooks with the racks at an upwardly slanting direction.

BACKGROUND

1. Technical Field

The embodiments herein generally relate to home or domestic appliances and particularly relate to a drawer racking mechanism in domestic appliances. The embodiments herein more particularly relate to a mechanism for automatically and safely withdrawing racks out of the oven.

2. Description of the Related Art

An oven is a device used for cooking, baking and heating food items. There are different types of oven ranging from the earth type ovens to the microwave ovens. The doors of the microwave oven can be opened in different ways such as sideways, top down, bottom up, etc. One or more racks are provided at different levels in the large and medium sized ovens to cook or bake multiple food items at once. Once a food item is cooked in an oven, the temperature inside the oven is higher than the temperature outside the oven. So the rack and the cooking utensil are very hot and to be removed safely from the oven when the door of the oven is opened after a cooking process. A temperature resistant gloves or a rack puller is generally used to pull the rack out of the oven, thereby enabling the user to pick the utensil easily. But a continuous usage of the gloves and the rack puller results in wear and tear of the same and needs to be replaced often with the new ones.

Hence there is a need for a safe and simple tool to pull the racks out of the oven. Also, there is need for a tool to enable an easy checking of the food while preparation. Further, there is a need for tool to avoid being burnt by the extreme heat ovens.

The abovementioned shortcomings, disadvantages and problems are addressed herein and which will be understood by reading and studying the following specification.

OBJECTS OF THE EMBODIMENTS

The primary object of the embodiments herein is to provide a system for automatically withdrawing the racks from a chamber of a domestic appliance and providing a safe working environment to a user.

Another object of the embodiments herein is to provide a system and method for automatically latching and unlatching with the one or more racks of a domestic appliance.

Yet another object of the embodiments herein is to provide a method to enable a user to easily and comfortably view the food being prepared in an oven during preparation.

Yet another object of the embodiments herein is to provide a method for preventing any damages to a user operating the oven while the door is opened for drawing out the racks.

These and other objects and advantages of the embodiments herein will become readily apparent from the following detailed description taken in conjunction with the accompanying drawings.

SUMMARY

The various embodiment of the embodiment herein provides a system for drawing out one or more racks out of a chamber in a domestic appliance. The system comprises one or more hooks attached to one or more loop brackets or one or more steel rods provided with one or more screws. The one or more hooks are attached to an inner surface of a door of a chamber in a domestic appliance through the one or more loop brackets. The one or more loop brackets are fixed to the one or more steel rods by the one or more screws. The one or more steel rods are fixed to the door of the chamber from inside.

According to an embodiment herein, one or more hooks are welded to the inner surface of the door of the chamber in the domestic appliance. The one or more hooks are arranged inside a loop welded to the inner surface of the door of the chamber in the domestic appliance.

According to an embodiment herein, the domestic appliance is any one of an oven, a dish washer, and wherein the domestic appliance is a front loading type appliance.

According to an embodiment herein, the one or more racks are automatically drawn out upon opening the door of the chamber.

According to an embodiment herein, the one or more hooks are made up of metals. The one or more hooks are also arranged in any one of a U shape, C shape and inverted U shape.

According to an embodiment herein, the one or more steel rods are adapted to fix the one or more hooks at a plurality of heights.

According to an embodiment herein, the one or more loop brackets are fixed to the steel rods by using one or more screws. The one or more screws are expanding screws with one or more washers. The one or more loop brackets are further tightened by screwing the one or more expanding screws through the one or more washers.

According to an embodiment herein, a method for automatically drawing out one or more racks out of a chamber in a domestic appliance. The method comprises fixing one or more steel rods on an inner surface of a door of a chamber at a plurality of heights, fixing and aligning the one or more loop brackets with the one or more steel rods, mounting the one or more hooks on the one or more loop brackets, and positioning the one or more hooks to an initial position. The two distal ends of the one or more hooks are arranged to face away from the door of the chamber, when the one or more hooks are arranged in the initial position. The method further comprises latching the one or more hooks with the one or more racks and drawing out the one or more racks of the chamber by opening the door of the chamber.

According to an embodiment herein, one or more hooks are welded to the inner surface of the door of the chamber in the domestic appliance. The one or more hooks are arranged inside a loop welded to the inner surface of the door of the chamber in the domestic appliance.

According to an embodiment herein, the one or more hooks are latched onto the one or more racks of the chamber, when the one or more hooks are fallen on the one or more racks due to gravity during an opening of the door.

According to an embodiment herein, the one or more hooks remain latched on to the one or more racks to draw the one or more racks, when the door of the chamber is opened.

According to an embodiment herein, the one or more hooks are automatically unlatched from the one or more racks when the door of the chamber is closed. The one or more racks are unlatched due to a pop-up action of the one or more hooks during the closing of the door. The one or more hooks pop-up to the initial position. The one or more hooks pop-up due to a contact of the body of one or more hooks with the one or more racks at an upwardly slanting direction.

These and other aspects of the embodiments herein will be better appreciated and understood when considered in conjunction with the following description and the accompanying drawings. It should be understood, however, that the following descriptions, while indicating preferred embodiments and numerous specific details thereof, are given by way of illustration and not of limitation. Many changes and modifications may be made within the scope of the embodiments herein without departing from the spirit thereof, and the embodiments herein include all such modifications.

BRIEF DESCRIPTION OF THE DRAWINGS

The other objects, features and advantages will occur to those skilled in the art from the following description of the preferred embodiment and the accompanying drawings in which:

FIG. 1 illustrates a front view of an oven door fixed with U-shaped metallic hook, according to an embodiment herein.

FIG. 2 illustrates a side cut out view of an oven assembled with a serially fixed loop brackets for holding the U shaped metallic hook, according to an embodiment herein.

FIG. 3 illustrates a side view of a rectangular rod coupled to the serially arranged loop brackets in the oven door for holding the U shaped metallic hook, according to an embodiment herein.

FIG. 4 illustrates a front view of an oven door assembled with two rods comprising a plurality of serially aligned loop brackets, according to an embodiment herein.

Although the specific features of the embodiments herein, are shown in some drawings and not in others. This is done for convenience only as each feature may be combined with any or all of the other features in accordance with the embodiments herein.

DETAILED DESCRIPTION OF THE DRAWINGS

In the following detailed description, a reference is made to the accompanying drawings that form a part hereof, and in which the specific embodiments that may be practiced is shown by way of illustration. These embodiments are described in sufficient detail to enable those skilled in the art to practice the embodiments and it is to be understood that the logical, mechanical and other changes may be made without departing from the scope of the embodiments. The following detailed description is therefore not to be taken in a limiting sense.

The various embodiment of the embodiment herein provides a system for drawing out one or more racks out of a chamber in a domestic appliance. The system comprises one or more hooks attached to one or more loop brackets or one or more steel rods provided with one or more screws. The one or more hooks are attached to an inner surface of a door of a chamber in a domestic appliance through the one or more loop brackets. The one or more loop brackets are fixed to the one or more steel rods by the one or more screws. The one or more steel rods are fixed to the door of the chamber from inside.

According to an embodiment herein, one or more hooks are welded to the inner surface of the door of the chamber in the domestic appliance. The one or more hooks are arranged inside a loop welded to the inner surface of the door of the chamber in the domestic appliance.

According to an embodiment herein, the domestic appliance is any one of an oven, a dish washer, and wherein the domestic appliance is a front loading type appliance.

According to an embodiment herein, the one or more racks are automatically drawn out upon opening the door of the chamber.

According to an embodiment herein, the one or more hooks are made up of metals. The one or more hooks are also arranged in any one of a U shape, C shape and inverted U shape.

According to an embodiment herein, the one or more steel rods are adapted to fix the one or more hooks at a plurality of heights.

According to an embodiment herein, the one or more loop brackets are fixed to the steel rods by using one or more screws. The one or more screws are expanding screws with one or more washers. The one or more loop brackets are further tightened by screwing the one or more expanding screws through the one or more washers.

According to an embodiment herein, a method for automatically drawing out one or more racks out of a chamber in a domestic appliance. The method comprises fixing one or more steel rods on an inner surface of a door of a chamber at a plurality of heights, fixing and aligning the one or more loop brackets with the one or more steel rods, mounting the one or more hooks on the one or more loop brackets, and positioning the one or more hooks to an initial position. The two distal ends of the one or more hooks are arranged to face away from the door of the chamber, when the one or more hooks are arranged in the initial position. The method further comprises latching the one or more hooks with the one or more racks and drawing out the one or more racks of the chamber by opening the door of the chamber.

According to an embodiment herein, one or more hooks are welded to the inner surface of the door of the chamber in the domestic appliance. The one or more hooks are arranged inside a loop welded to the inner surface of the door of the chamber in the domestic appliance.

According to an embodiment herein, the one or more hooks are latched onto the one or more racks of the chamber, when the one or more hooks are fallen on the one or more racks due to gravity during an opening of the door.

According to an embodiment herein, the one or more hooks remain latched on to the one or more racks to draw the one or more racks, when the door of the chamber is opened.

According to an embodiment herein, the one or more hooks are automatically unlatched from the one or more racks when the door of the chamber is closed. The one or more racks are unlatched due to a pop-up action of the one or more hooks during the closing of the door. The one or more hooks pop-up to the initial position. The one or more hooks pop-up due to a contact of the body of the one or more hooks with the one or more racks at an upwardly slanting direction.

FIG. 1 illustrates a front view of a U shaped metallic hook attached to edges of an oven door, according to an embodiment herein. The FIG. 1 shows an oven door 101 of a front-down opening oven, two pairs of expanding screws 102 a and 102 b, two loop brackets 103 a and 103 b, and two U shaped metallic hooks 104 a and 104 b. The hook 104 a is fixed to the side of the oven door 101 from inside by the loop bracket 103 a. The loop bracket 103 a is tightly mounted to the oven door 101 through a pair of expanding screws 102 a. Similarly, the hook 104 b is fixed to the other side of the oven door 101 from inside by the loop bracket 103 b. The loop bracket 103 b is tightly mounted to the oven door 101 through the pair of expanding screws 102 b. The hooks 104 a and 104 b are either removably attached to the oven door 101 or permanently attached by welding at a predetermined height. The number of expanding screws 102 a and 102 b depends on the type of loop brackets 103 a and 103 b used. The loop brackets 103 a and 103 b provides versatility to the hooks 104 a and 104 b respectively to rotate up and down with ease.

According to an embodiment herein, a method for mounting the U shaped metallic hooks to the oven door from inside is provided. The method comprises, drilling predetermined number of holes on each side of the oven door from inside. The holes are drilled in order to align the holes of the loop brackets directly. Alternately, the holes are drilled on the oven door directly through the holes on the loop brackets. Once the preferred numbers of holes are drilled at required places, the hook is placed facing upwards and flat down on the oven door directly between the drilled holes. The loop brackets are placed directly on top of hooks and fastened in by means of the expanding screws. The expanding screws provide the strength and stability to hold the loop brackets in place while the one or more hooks pull on the oven racks.

FIG. 2 illustrates a side cut out view of an oven assembled with a serially fixed loop brackets for holding the U shaped metallic hook, according to an embodiment herein. An oven door 101 is hinged at the bottom of the oven 201. The oven door opens from the top as shown in the FIG. 2. The oven 201 comprises one or more racks 202 for holding the utensil or a container used for cooking foods. The oven door 101 is fixed with a steel rod 203 with plurality of loop brackets 103. The plurality of loop brackets 103 are aligned serially at different heights on the steel rod 203. The plurality of loop brackets 103 allows a user to place and shift one or more U shaped metallic hook 104 at a desired height. Alternately, plurality of hooks 104 are mounted on the door based on the requirement.

The one or more hook 104 is placed upward pointing to the air. When a user opens the oven door 101, the hook 104 which is in upward position, automatically falls due to the gravity and latches on to the oven rack 202. Once latched on, the user is able to pull the racks out of the oven by just opening the oven door 101. The oven rack 202 slides out of the oven rack in and out as needed and prevent the user from getting burnt or other damages from the heated oven 201.

When the hooks are latched on the oven racks 202 and the oven door 101 is closed by the user, the hooks 104 is automatically moved up into a vertical position. The hook 104 now is removed from the one or more rack 202. When the hook 104 is not desired by the user, the user simply puts the hook 104 facing down on the oven door 101 and the oven 201 work as normal.

FIG. 3 illustrates a side view of a rectangular rod for with serially arranged loop brackets for holding the U shaped metallic hook, according to an embodiment herein. The height of the hook 104 is adjustable due to the plurality of loop brackets 103 mounted on a steel rod 203. The loop bracket 103 and the hook 104 works optimally when the hook 104 and the loop bracket 103 are adjusted either equal to or slightly below the preferred rack height. If the hook 104 height is equal to or slightly below the rack height which is required to be automatically pulled out, then the hook 104 experiences an automatic pop-up action. The automatic pop-up action provides an easier way for the user when trying to unlatch the hook 104 from the racks. Further, when the one or more hooks 104 are equal to or slightly below the rack, the user has the flexibility to even connect to a rack one level lower because of the length of the one or more hook 104. The user is also provided with an option to add more than one pair of hooks to the oven door for multiple sliding racks of the oven. Two upward and two downward arrows in the FIG. 3 indicate the movement of the one or more hooks 104 along the steel rod as per the requirement of the user.

FIG. 4 illustrates a front view of an oven door assembled with two rods coupled to serially aligned loop brackets, according to an embodiment herein. An oven door 101 is arranged with two steel rods 203 a and 203 b affixed at the two sides of the oven door 101. The steel rods are provided with a plurality of loop brackets 103 mounted and fixed to the oven door 101 by means of screws. The one or more hooks are made of materials which allow the one or more hooks to latch on and pull the racks. A groove or some holes, are provided on a solid platform for mounting one or more loop brackets 103. The one or more loop brackets allow the one or more hooks 104 to provide a sufficient grip to hold on and pull the oven racks.

According to an embodiment herein, the U shaped metallic hook is used for all ovens, dishwashers and similar home and commercial appliances, in which the racks are pulled out by pulling and opening a front door downwardly.

According to an embodiment herein, a method is provided to pull the racks out horizontally without any blockings When the one or more hooks are latched to the racks, the user opens the door. A pull force from the hooks is applied on the racks at a slant angle to pull out the rack horizontally. Also, the oven comprises rack locks to prevent the racks from sliding all the way out of the oven. Further, the oven comprises grooves which prevent the racks from sliding downwardly. The one or more hooks are pulled out the till a certain angle is subtended so that the rack just slide out to certain distance. Thus, the embodiment herein prevents any spillage of food when the racks are automatically pulled out by the one or more hooks.

The foregoing description of the specific embodiments will so fully reveal the general nature of the embodiments herein that others can, by applying current knowledge, readily modify and/or adapt for various applications such specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments.

It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the embodiments herein have been described in terms of preferred embodiments, those skilled in the art will recognize that the embodiments herein can be practiced with modification within the spirit and scope of the appended claims.

Although the invention is described with various specific embodiments, it will be obvious for a person skilled in the art to practice the invention with modifications. However, all such modifications are deemed to be within the scope of the claims.

It is also to be understood that the following claims are intended to cover all of the generic and specific features of the present invention described herein and all the statements of the scope of the invention which as a matter of language might be said to fall there between. 

What is claimed is:
 1. A system for drawing out one or more racks out of a chamber in a domestic appliance, the system comprising: one or more hooks; one or more loop brackets; one or more screws; and one or more steel rods; wherein the one or more hooks are attached to an inner surface of a door of a chamber in a domestic appliance through the one or more loop brackets, and wherein the one or more loop brackets are fixed to the one or more steel rods by the one or more screws, and wherein the one or more steel rods are fixed to the door of the chamber from inside.
 2. The system according to claim 1, wherein one or more hooks are welded to the inner surface of the door of the chamber in the domestic appliance.
 3. The system according to claim 1, wherein one or more hooks are arranged inside a loop welded to the inner surface of the door of the chamber in the domestic appliance.
 4. The system according to claim 1, wherein the domestic appliance is any one of an oven, a dish washer, and wherein the domestic appliance is a front loading type.
 5. The system according to claim 1, wherein the one or more racks are automatically drawn out upon opening the door of the chamber.
 6. The system according to claim 1, wherein the one or more hooks are made up of metals.
 7. The system according to claim 1, wherein the one or more hooks are arranged in any one of a U shape, C shape and inverted U shape.
 8. The system according to claim 1, wherein the one or more hooks are fixed at the door at a preset height, and wherein the preset height is equal to or less than a height of a rack.
 9. The system according to claim 1, wherein the one or more steel rods is adapted to fix the one or more hooks at a plurality of heights. .
 10. The system according to claim 1, wherein the one or more loop brackets are fixed to the steel rods by using one or more screws, and wherein the one or more screws are expanding screws with one or more washers, and wherein the one or more loop brackets are further tightened by screwing the one or more expanding screws through the one or more washers.
 11. A method for automatically drawing out one or more racks out of a chamber in a domestic appliance, the method comprises: fixing one or more steel rods on an inner surface of a door of a chamber at a plurality of heights; fixing and aligning one or more loop brackets with the one or more steel rods; mounting one or more hooks on the one or more loop brackets; positioning the one or more hooks to an initial position and wherein two distal ends of the one or more hooks are arranged to face away from the door of the chamber, when the one or more hooks are arranged in the initial position; latching the one or more hooks with the one or more racks; drawing out the one or more racks of the chamber by opening the door of the chamber.
 12. The method according to claim 11, wherein the one or more hooks are welded to the inner surface of the door of the chamber in the domestic appliance.
 13. The system according to claim 11, wherein one or more hooks are arranged inside a loop welded to the inner surface of the door of the chamber in the domestic appliance.
 14. The method according to claim 11, wherein the one or more hooks latches on the one or more racks of the enclosure when the one or more hooks fall on the one or more racks due to gravity during an opening of the door.
 15. The method according to claim 11, wherein the one or more hooks remain latched on to the one or more racks to draw the one or more racks, when the door of the chamber is opened.
 16. The method according to claim 11, wherein the one or more hooks are automatically unlatched from the one or more racks, when the door of the chamber is closed, and wherein the one or more racks are unlatched due to a pop-up action of the one or more hooks during the closing of the door, and wherein the one or more hooks pop-up to the initial position, and wherein the one or more hooks pop-up due to a body contact of the one or more hooks with the one or more racks at an upward slanting direction. 